<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on"
             label-position="left">
      <div class="title-container">
        <h3 class="title">登录</h3>
      </div>
      <el-form-item prop="userName">
        <el-input
            ref="username"
            v-model="loginForm.userName"
            placeholder="请输入用户名"
            type="text"
            autocomplete="on"
        />
      </el-form-item>
      <el-form-item prop="password">
        <el-input
            ref="password"
            v-model="loginForm.password"
            type="password"
            placeholder="请输入密码"
            autocomplete="on"
            @keyup.enter.native="handleLogin"
        />
      </el-form-item>
      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;"
                 @click.native.prevent="handleLogin">登录
      </el-button>
      <el-button style="width:100%;margin:0;margin-bottom:30px;"
                 @click="$router.push({path:'/register'})">去注册
      </el-button>
    </el-form>
  </div>
</template>

<script>
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        userName: '',
        password: ''
      },
      loginRules: {
        userName: [{ required: true, trigger: 'blur', message: '请输入用户名' }],
        password: [{ required: true, trigger: 'blur', message: '请输入密码' }]
      },
      loading: false,
      redirect: undefined,
      otherQuery: {}
    }
  },
  methods: {
    handleLogin() {
      this.$refs.loginForm.validate(async(valid) => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('login', this.loginForm).then(({ menus }) => {
            this.loading = false
            if (!menus || !menus.length || !menus[0].children || !menus[0].children.length) {
              this.$message({ type: 'error', message: '你没有权限进入' })
            } else {
              this.$message({ type: 'success', message: '登录成功' })
              setTimeout(() => {
                window.location.href = menus[0].url + menus[0].children[0].url
              }, 200)
            }
          }, (message) => {
            this.$message({ type: 'error', message })
            this.loading = false
          })
        }
      })
    }
  }
}
</script>

<style lang="scss">
  $bg: #283443;
  $light_gray: #fff;
  $cursor: #fff;

  @supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
      color: $cursor;
    }
  }

  /* reset element-ui css */
  .login-container {
    .el-input {
      display: inline-block;
      height: 47px;
      width: 85%;

      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 47px;
        caret-color: $cursor;

        &:-webkit-autofill {
          box-shadow: 0 0 0px 1000px $bg inset !important;
          -webkit-text-fill-color: $cursor !important;
        }
      }
    }

    .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }
  }
</style>

<style lang="scss" scoped>
  $bg: #2d3a4b;
  $dark_gray: #889aa4;
  $light_gray: #eee;

  .login-container {
    min-height: 100%;
    width: 100%;
    background-color: $bg;
    overflow: hidden;

    .login-form {
      position: relative;
      width: 520px;
      max-width: 100%;
      padding: 160px 35px 0;
      margin: 0 auto;
      overflow: hidden;
    }

    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;

      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }

    .svg-container {
      padding: 6px 5px 6px 15px;
      color: $dark_gray;
      vertical-align: middle;
      width: 30px;
      display: inline-block;
    }

    .title-container {
      position: relative;

      .title {
        font-size: 26px;
        color: $light_gray;
        margin: 0px auto 40px auto;
        text-align: center;
        font-weight: bold;
      }
    }

    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: $dark_gray;
      cursor: pointer;
      user-select: none;
    }

    .thirdparty-button {
      position: absolute;
      right: 0;
      bottom: 6px;
    }

    @media only screen and (max-width: 470px) {
      .thirdparty-button {
        display: none;
      }
    }
  }
</style>
